Pownall Pendergrass connection

Looking for information on John Pendergrass who married Margaret Pownall.. John was born in England around 1750.. Margaret Pownall was born November 10, 1749.. They were married before 1771.. They had 3 sons that we know of.. They resided in Bute County North Carolina.. Any info would be greatly appreciated. Please email dbbesteb@yahoo.com or DPendergra@aol.com.. Thankyou..